255515242515552 has 48 divisors (see below), whose sum is σ = 745252790672880. Its totient is φ = 85171747504896.

The previous prime is 255515242515527. The next prime is 255515242515581.

255515242515552 is a `hidden beast` number, since 2 + 5 + 5 + 5 + 1 + 52 + 4 + 25 + 15 + 552 = 666.

255515242515552 is nontrivially palindromic in base 10.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 147867616333 + ... + 147867618060.

It is an arithmetic number, because the mean of its divisors is an integer number (15526099805685).

Almost surely, 2^{255515242515552} is an apocalyptic number.

It is an amenable number.

255515242515552 is an abundant number, since it is smaller than the sum of its proper divisors (489737548157328).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

255515242515552 is a wasteful number, since it uses less digits than its factorization.

255515242515552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 295735234412 (or 295735234398 counting only the distinct ones).

The product of its digits is 25000000, while the sum is 54.

The spelling of 255515242515552 in words is "two hundred fifty-five trillion, five hundred fifteen billion, two hundred forty-two million, five hundred fifteen thousand, five hundred fifty-two".